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Date: Sat, 26 Feb 2022 11:48:45 +0100 From: Luca Weiss <luca@...tu.xyz> To: dri-devel@...ts.freedesktop.org Cc: ~postmarketos/upstreaming@...ts.sr.ht, Thierry Reding <thierry.reding@...il.com>, Sam Ravnborg <sam@...nborg.org>, David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] drm: add missing dependency to DRM_PANEL_EDP Hi, any feedback on this patch? On Sonntag, 23. Jänner 2022 21:43:23 CET Luca Weiss wrote: > With CONFIG_DRM_PANEL_EDP=y and CONFIG_DRM_KMS_HELPER=m the compilation > fails: > > drivers/gpu/drm/panel/panel-edp.c:843: undefined reference to > `drm_panel_dp_aux_backlight' > > Add a dependency on DRM_KMS_HELPER to fix this. > > Signed-off-by: Luca Weiss <luca@...tu.xyz> > --- > I briefly tried "select DRM_KMS_HELPER" but that causes a circular > dependency. > If someone has a better idea how to solve this, feel free correct me. > > drivers/gpu/drm/panel/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index 434c2861bb40..fda97837ecb3 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -102,6 +102,7 @@ config DRM_PANEL_SIMPLE > config DRM_PANEL_EDP > tristate "support for simple Embedded DisplayPort panels" > depends on OF > + depends on DRM_KMS_HELPER > depends on BACKLIGHT_CLASS_DEVICE > depends on PM > select VIDEOMODE_HELPERS
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